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A136285 Number of graphs on n labeled nodes with maximal degree exactly 3. +0
2
0, 0, 0, 23, 515, 10210, 221130, 5499165, 158416629, 5264924490, 200122583760, 8616774658305, 416417619554365, 22400104990385122, 1331442091500919580, 86886850043131597095, 6189883012226095338135, 478992622411196645778030 (list; graph; listen)
OFFSET

1,4

REFERENCES

D. E. Knuth, The Art of Computer Programming, Vol. 4A, Section 7.1.4.

FORMULA

Equals A136282 - A136281.

CROSSREFS

Cf. A000085 (degree at most 1), A136281-A136286.

Adjacent sequences: A136282 A136283 A136284 this_sequence A136286 A136287 A136288

Sequence in context: A014905 A133283 A121903 this_sequence A114926 A118338 A097778

KEYWORD

nonn

AUTHOR

D. E. Knuth, Mar 31 2008

EXTENSIONS

More terms from Alois P. Heinz (heinz(AT)hs-heilbronn.de), Sep 12 2008

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Last modified January 7 17:35 EST 2009. Contains 152824 sequences.


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